1540460650 has 48 divisors (see below), whose sum is σ = 3034609344. Its totient is φ = 580567680.

The previous prime is 1540460639. The next prime is 1540460653. The reversal of 1540460650 is 560640451.

1540460650 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1540460653) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67054 + ... + 87046.

It is an arithmetic number, because the mean of its divisors is an integer number (63221028).

Almost surely, 2^1540460650 is an apocalyptic number.

1540460650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1540460650 is a deficient number, since it is larger than the sum of its proper divisors (1494148694).

1540460650 is a wasteful number, since it uses less digits than its factorization.

1540460650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20095 (or 20090 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 1540460650 is about 39248.7025263256. The cubic root of 1540460650 is about 1154.9154814062.

The spelling of 1540460650 in words is "one billion, five hundred forty million, four hundred sixty thousand, six hundred fifty".